The Space Sector Is Surging. Should You Buy AST SpaceMobile and Rocket Lab?

SpaceX is expected to file its IPO prospectus in days with reported targets of $75B raised and a $1.75T valuation, spurring a sharp, short-lived rally in space names. AST SpaceMobile jumped 10.4% then fell 8.5% and is valued at roughly 325x trailing sales; Rocket Lab gained ~10.3% then dropped ~9.5% and trades near 60x trailing sales. The piece advises against buying AST due to lack of earnings and extreme valuation and says Rocket Lab, while closer to profitability, is still pricey and may present a later buying opportunity.

Analysis

SpaceX's imminent public price discovery will function as a new benchmark that re-anchors investor willingness to pay for “space” narratives, and that re-anchoring has asymmetric effects. Mid‑cap and pre‑revenue names face a double whammy: multiple compression versus a newly minted mega‑peer and the practical risk that cheaper, higher‑cadence launch economics make some promised unit economics unattainable. Suppliers and niche systems companies with proprietary hardware or irreplaceable IP (engines, avionics, spectrum rights) will see sustained optionality value; pure beta‑stage services without carrier contracts or predictable ARPU are exposed.

The next move will be driven by three catalysts on separate horizons: (1) days–weeks: the IPO prospectus detail and initial roadshow tone (guides the sentiment wave and immediate re‑rating), (2) months: lock‑up expiries and primary allocation flows that will re‑test liquidity to the sector, and (3) years: realized commercial service revenue and spectrum/regulatory outcomes. Reversals are straightforward — a credible, lower‑than‑advertised TAM or conservative guidance from the new comp will quickly cascade through levered or cash‑burn names and force steep de‑risking. Conversely, if the S‑1 reveals sustainable margins and large deferred revenue, expect capital to rotate back into selected suppliers and high‑quality launch partners.

Tactically, the market is trading event flow and volatility rather than fundamentals; retail and event‑driven programs are exaggerating intraday moves, so implied volatility is likely elevated and mean reversion probable after the prospectus dust settles. That creates a clear structure: sell downside exposure in structurally weak, pre‑revenue stories and reallocate into quality growth where secular seculars (AI, streaming) provide durable earnings optionality. Track borrow costs and put skew on heavily shorted names — they will amplify squeeze risk around any positive operational surprise.

Key Decisions for Investors

• Short ASTS via a 3‑month put spread (buy 1 30% OTM put / sell 1 50% OTM put) sized to risk no more than 1.5% of portfolio; target 30–50% downside if prospectus underwhelms, max loss = premium paid. Rationale: extreme pre‑revenue multiple and high event‑driven vol make limited‑risk bearish spreads attractive.
• Deploy proceeds into NVDA: buy NVDA 6–12 month call spreads (bull‑call spread around current levels with cap at +30–40%) sized to capture secular AI upside; expect asymmetric 1.5–3x upside over 6–12 months versus a tech drawdown of ~20–25% as the main risk.
• Pair trade to neutralize beta: short ASTS (cash) and long NFLX using a 6‑month call spread (buy one 15% OTM call / sell one 35% OTM call). Timeframe 3–6 months; this isolates sector negative idiosyncrasy while keeping exposure to durable cashflow growth in streaming.
• Maintain a small tactical hedge in INTC puts (2–3 month small notional OTM puts) to protect against a tech‑sector correction triggered if SpaceX comps disappoint and risk‑off broadens; size to cap portfolio drawdown from a tech shock by ~25–35%.